to note that a disc will be created at the end of the bore; you’ll have to account for fixturing and you don’t want to run the operation on stacked plates. Sure, helical interpolation allows for multiple diameters with one tool, but our lineup of twin cutters, for instance, ranges from .787 in to 8.000 in diameter with only eight different heads. For those with even larger jobs, pre-designed solutions are available up to 118 in. As we continue to gain more experience with shop applications over the years, we are more convinced than ever that there isn’t one holemaking challenge that twin cutters can’t answer, especially in production.
CONTRIBUTOR Matt Tegelman is the Applications Manager & Product Manager Kaiser at BIG KAISER Email: matt.tegelman@us.bigkaiser.com
LEARNMORE HIGH PERFORMANCE TOOLING SOLUTIONS 2018-2019 bigkaiser.com/tooling_solutions
HIGH PERFORMANCE TOOLING SOLUTIONS 2018-2019
Some customers utilize twin cutter boring heads only as semi-finish tools. They are certainly capable in this role, but ‘semi-finish’ should not imply that the same stock allowance be taken with these tools as with single-point finish boring tools. Keep in mind that the nose radius of the inserts being used must be completely covered in order to make the cutting action stable. Another common issue is feed rate. While a single point tool is typically run around .002”-.004” IPR, twin boring tools can be run at 4 to 5 times this feed rate. Load up on Twin Cutters to Stabilize Applications
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